/*
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package cn.edu.nju.software.login.factory;

import cn.edu.nju.software.login.service.UserService;

/**
 *
 * @author han
 */
public class ServiceFactory {
    private static UserService us = null;
    
    public static UserService getUserServiceInstance(){
        if(us == null)  us = new UserService();
        return us;
    }
}
